HIGGS 2024

Effect of anomalous HHH and ZZHH couplings on the decay width of H --> 4l.

6 Nov 2024, 13:30

20m

Uppsala University Main Building

Precision Higgs measurements and calculations Common session: precision & BSM 1 - sal IX

Speaker

BISWAJIT DAS (The Institute of Mathematical Sciences, Chennai)

Description

Despite the discovery of the Higgs boson, the Higgs sector of the standard model is still not fully established. In particular, the self-couplings of the Higgs boson, and its couplings with gauge bosons, are still to be fully determined. We consider electroweak corrections to the process $H\to 4l$. The corrections depend on the HHH and ZZHH couplings. We investigate this dependence in $\kappa$-framework. We findnd that the width depends on HHH coupling significantly. The dependence on ZZHH coupling is only marginal. We also discuss the dependence on ZZWW coupling.

Presentation materials

higgs2024_bd.pdf